Four times, US financial regulation is in question

US financial regulation have failed as a result of unacceptable face of human greed. Here are the four examples of such failure;

1. Dec 2008
Multi-billion-dollar swindle run by ex-Wall Street heavyweight Bernard Madoff which defrauding investors of 50 billion dollars in a scam that collapsed after clients asked for their money back due to the global financial crisis. He delivered consistently strong returns to clients by secretly using the principal investment from new investors for payments to other investors, in what is known as a pyramid scam.

2. Sept 2008
The collapse in September 2008 of the Lehman Brothers bank and followed by AIG.

3. 2001
The 2001 false-accounting scandal involving energy giant Enron;

4. 1998
The 1998 collapse of US hedge fund managers Long Term Capital Management.